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Finding the Fourth Proportional to 8,697.68, 11,988.48 and 6,040.48

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Solution

The fourth proportional to 8,697.68, 11,988.48 and 6,040.48 is: 8,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.68 : 11,988.48 = 6,040.48 : x
  2. Step 2: Convert to fraction form
    8,697.68/11,988.48 = 6,040.48/x
  3. Step 3: Cross multiply
    8,697.68x = 11,988.48 × 6,040.48
  4. Step 4: Simplify right side
    8,697.68x = 72,416,173.67
  5. Step 5: Solve for x
    x = 72,416,173.67/8,697.68
  6. Step 6: Final answer
    x = 8,325.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.